Alternators The disadvantaged of a short pitched coil is that _______ Harmonics are introduced Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal Harmonics are introduced Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 2 4 12 50 2 4 12 50 ANSWER DOWNLOAD EXAMIANS APP
Alternators In aircrafts, alternators have operating frequency of 800 Hz 60 Hz 50 Hz 400 Hz 800 Hz 60 Hz 50 Hz 400 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 212 rad/s 118 rad/s 157 rad/s 192 rad/s 212 rad/s 118 rad/s 157 rad/s 192 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be Operating at high rpm More efficient More costly Larger in size Operating at high rpm More efficient More costly Larger in size ANSWER DOWNLOAD EXAMIANS APP